.content_body {overflow:auto;height:100%;width:100%}
.home_banner2 {position:fixed;width:100%;height:100%;left:0;top:0;z-index:10;pointer-events:none; overflow:hidden; }
.home_banner2 .logo_bg_box,.home_banner2a {position:absolute;width:100%;height:100%;left:0;top:0}
.home_banner2 .logo_bg_box {transform:scale(1);z-index:5}
.home_banner2 .logo_bg {transform:scale(10);width:1906px;height:1200px;left:50%;top:50%;margin:-650px 0 0 -953px;position:absolute;background:url(/images/logo2c.svg) no-repeat 50%;background-size:100% auto;color:#fff;z-index:5}
.home_banner2 .logo_bga {width:100%;height:100%;left:0;top:0;position:absolute;background-size:100% auto;z-index:5}
.home_banner2 .logo_bg:after {left:0}
.home_banner2 .logo_bg:after,.home_banner2 .logo_bg:before {content:"";position:absolute;width:44%;height:100%;z-index:10;opacity:1;transition:all .8s}
.home_banner2 .logo_bg:before {right:0}
.home_banner2 .logo_bg.on:after,.home_banner2 .logo_bg.on:before {opacity:0;transition:all .8s .6s}
.home_banner2 .logo_aa {width:100%;height:240px;left:0;top:50%;margin:-140px 0 0;position:absolute;z-index:10}
.home_banner2 .logo_aa .logo1 {width:241px;margin:0 auto;height:241px;position:relative;overflow:hidden;background:url(/images/logo04.png) no-repeat center;opacity:0;}
.home_banner2 .logo_aa .logo1 .logo1a {transform:scale(1.2);opacity:0;width:100%;height:100%;background:url(/images/logoa1.png) no-repeat 50%;position:absolute;left:0;top:0}
.home_banner2 .logo_aa .logo1 .logo1b {transform:scale(.8);opacity:0;background:#fff;border-radius:50%;margin:25px auto 0}
.home_banner2 .logo_aa .logo2 {transform:translateY(0);opacity:0;width:0;height:25px;margin:0 auto 0;overflow:hidden;}
.home_banner2 .logo_aa .logo3 {transform:translateY(0);opacity:0;text-align:center;height:55px;margin:0 auto;font-size:36px;letter-spacing:3px;color:#343434}
.home_banner2 .logo_aa .logo4 {transform:translateY(20px);opacity:0;width:100%;height:72px;margin:30px auto 0;overflow:hidden}
.home_banner2 .logo_aa.on .logo1 {opacity:1;transition:all .8s ease}
.home_banner2 .logo_aa.on .logo1 .logo1a,.home_banner2 .logo_aa.on .logo1 .logo1b {opacity:1;transform:scale(1);transition:all .8s ease}
.home_banner2 .logo_aa.on .logo2 {width:160px;transition:.6s 0s}
.home_banner2 .logo_aa.on2 .logo3,.home_banner2 .logo_aa.on .logo2,.home_banner2 .logo_aa.on .logo4 {transform:translateY(0);opacity:1}
.home_banner2 .logo_aa.on .logo4 {transition:.8s 1.6s;pointer-events:all}
.home_banner2 .logo_aa .logo3 span {display:inline-block;opacity:0;transform:scale(1.5) translate3d(0,50px,0) skewX(60deg) rotateX(-80deg)}
.home_banner2 .logo_aa.on2 .logo3 span {opacity:1;transform:scale(1) translateZ(0) skewX(0deg) rotateX(0deg)}
.home_banner2 .logo_aa.on2 .logo3>div {display:inline-block}
.home_banner2.one1 {background:#fff}
.home_banner2 .logo1_bg {transform-origin:center 38%}
.index_linkbtn {width:216px;margin:0 auto;display:block;line-height:48px;border:1px solid #000;text-align:center;font-weight:700;position:relative}
.home_banner2 .logo4 a span {position:relative;z-index:1}
.home_banner2 .logo4 a:before {content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:#000;transform:scaleX(0);transform-origin:100% 50%;transition:transform .4s}
.home_banner2 .logo4 a:hover:before {transform:scaleX(1);transform-origin:0 50%}
.home_banner2 .logo4 a:hover {color:#fff}
.home_part1 {height:2000px;position:relative;z-index:20;pointer-events:none}
.home_banner {background:#fff;position:fixed;top:0;width:100%}
.header_nav_bg {width:100%;height:100%;position:fixed;left:0;top:0;background:rgba(0,0,0,.5);opacity:0;pointer-events:none;transition:.4s;z-index:100;}

@media screen and (max-width:470px) {
	.home_banner2 .logo1_bg {transform:scale(.5);margin-top:26px;}
	.home_banner2 .logo_bg {/*width:1350px;*/        height:1200px;margin-top:-600px;/*margin-left:-675px;*/}
	.home_banner2 .logo_bg_box {transform:scale(.5);}
	.home_banner2 .logo_aa .logo2 {margin:0 auto 0;}
	.home_banner2 .logo_aa .logo3 {font-size:16px;}
	.home_banner2 .logo_aa .logo1 {width:80px;height:80px;margin:82px auto;}
	.home_banner2 .logo_aa .logo1 .logo1a {background-size:cover;}
}
<!--ºÄʱ1756013772.7797Ãë-->